题目内容

【题目】Tom has to finish his homework today. (改为否定句)

Tom _________ __________ to finish his homework today.

【答案】doesn’t have

【解析】

句意:汤姆今天没必要完成他的家庭作业。

原句是一般现在时,主语是Tom,是第三人称单数,否定句谓语动词用助动词does的否定形式doesn’t加上动词原形have。故答案为doesn’t have

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